Thank for the reply and the additional information.
Considering the fact that you had reduced vision
in your right eye only , with no positive history of pain/ redness/ watering ( rules out corneal problem) , normal retina , no glaucoma
( as intraocular
pressures were found to be normal ) , It is likely to be posterior vitreous
detachment ( PVD ) in which the thick gel at the back of the eye gets detached from its surrounding. Some people experience flashes of light
or floaters ( small spots floating in the visual field) , though it is not mandatory. When the floater ( due to the clumped vitreous ) is much large it may obscure vision and its movement may not be appreciated. This generally is harmless and does not require any treatment as invariably people get used to their presence and learn to ignore them once it is learnt that the condition is not serious. Over a period of time it may be possible for the floater to drift away from the visual field and the vision tends to improve in such a situation.
You can continue with the lubricating eye drops for soothening effect and relief from dry eyes and wait for a gradual improvement in the vision ( keeping the possibility of PVD in mind). You can consult an ophthalmologist
if you ever develop acute symptoms in that eye like a sudden worsening of vision as a PVD may cause a retinal tear/detachment rarely. As your retina was normal at the previous check up , it ensures that there is no retinal tear as of now.
Thanks and best wishes
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A bonus and positive feedback are welcome.Views expressed are for information purpose only and cannot substitute a visit to an ophthalmologist